uxcell 5pcs DC Power 4x1.7mm Male to 5.5x2.5mm Female Jack Adapter Connector Product Name : DC Power Adapter;Connector Type : 4 x 1.7mm Male Connector to 5.5mm x 2.5mm Female Connector Material : Metal, Plastic;Overall Size : 4 x 1.2cm / 1.6" x 0.5" (L*D) Main Color : Black, Silver Tone , Yellow Total Weight : 22g Package Content : 5 x DC Power Adapter